Toothbrush



FIG. 1 is a front perspective view from above and one side of the article;

FIG. 2 is a front view of the article;

FIG. 3 is a rear view of the article;

FIG. 4 is a right side view of the article;

FIG. 5 is a left side view of the article;

FIG. 6 is a plan view of the article; and,

FIG. 7 is a underneath plan view of the article. 

The ornamental design for a toothbrush, as shown and described. 